FNUS75 KRIW 232315
FWSRIW

SPOT FORECAST FOR UPPER PALMER CREEK...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
515 PM MDT FRI SEP 23 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE REMAINS ANCHORED OVER WYOMING. THIS SYSTEM WILL KEEP
GENERALLY CLEAR SKIES OVER THE FIRE FOR TONIGHT. SIMILAR
TEMPERATURES AND HUMIDITY EXPECTED TO THOSE EXPERIENCED ON
THURSDAY NIGHT...WITH GENERALLY LIGHT WIND EXPECTED. A FEW CLOUDS
WILL MOVE OVER THE AREA SATURDAY AFTERNOON...THOUGH DRY AND WARM
CONDITIONS WILL AGAIN BE PRESENT. MORNING INVERSIONS MAY BE
PRESENT EARLY SATURDAY WHICH WILL HINDER SMOKE DISPERSAL.
HOWEVER...INVERSIONS WILL LIFT BY THE MID MORNING HOURS...WITH
SMOKE DISPERSAL IMPROVING THROUGH THE AFTERNOON.


...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MAX TEMPERATURE.....74-76.
MIN HUMIDITY........14-17 PERCENT.
20 FOOT WINDS.......SOUTHWEST 8-12 MPH WITH GUSTS TO AROUND 20 MPH.
RIDGE TOP WINDS.....NORTHWEST 7-10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6700-7500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (61200-75000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....28-32.
MAX HUMIDITY........65-70 PERCENT.
20 FOOT WINDS.......BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH BY 1900.
RIDGE TOP WINDS.....WEST AROUND 5 MPH SHIFTING TO THE EAST
                    BY 0100.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........BECOMING 4 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH BY 0100.
MIXING HEIGHT.......DECREASING TO 300 FT AGL BY 2200.
TRANSPORT WINDS.....WEST 9 TO 12 MPH SHIFTING TO THE EAST 10 TO 15
                    MPH BY 0100.
SMOKE DISPERSAL.....POOR TO FAIR (1200-41000 KNOT-FT).

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........17 TO 21 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE GENERALLY UNDER 5 MPH.
RIDGE TOP WINDS.....LIGHT AND VARIABLE GENERALLY UNDER 7 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1700-2700 FT AGL INCREASING TO 7400-8400 FT AGL
                    BY 1600.
TRANSPORT WINDS.....EAST 8 TO 12 MPH SHIFTING TO THE SOUTHWEST BY
                    1300
SMOKE DISPERSAL.....POOR TO FAIR (6700-59900 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 30S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...UPPER PALMER RX
REASON FOR REQUEST...PRESCRIBED
.TAG 20110923.UPPER.02/RIW